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곱셈 2자리 X 2자리

1

		7	1
		2	0
			0
1	4	2	0
1	4	2	0

2

		1	3
		4	2
		2	6
	5	2	0
	5	4	6

3

		4	7
		4	5
	2	3	5
1	8	8	0
2	1	1	5

4

		7	8
		6	0
			0
4	6	8	0
4	6	8	0

5

		9	7
		4	2
	1	9	4
3	8	8	0
4	0	7	4

6

		9	9
		6	0
			0
5	9	4	0
5	9	4	0

7

		7	7
		1	2
	1	5	4
	7	7	0
	9	2	4

8

		6	9
		1	3
	2	0	7
	6	9	0
	8	9	7

9

		1	4
		4	6
		8	4
	5	6	0
	6	4	4

10

		3	7
		4	1
		3	7
1	4	8	0
1	5	1	7

11

		8	5
		2	4
	3	4	0
1	7	0	0
2	0	4	0

12

		4	4
		3	2
		8	8
1	3	2	0
1	4	0	8

13

		8	1
		3	8
	6	4	8
2	4	3	0
3	0	7	8

14

		8	4
		3	4
	3	3	6
2	5	2	0
2	8	5	6

15

		2	7
		2	3
		8	1
	5	4	0
	6	2	1

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